Back portion of furniture



FIG. 1 is a front elevational view of furniture with a first embodiment of a back portion according to the principles of the present invention;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view of furniture with a second embodiment of a back portion according to the principles of the present invention;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view of furniture with a third embodiment of a back portion according to the principles of the present invention;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a front elevational view of furniture with a fourth embodiment of a back portion according to the principles of the present invention;

FIG. 8 is a rear elevational view thereof;

FIG. 9 is a front elevational view of furniture with a fifth embodiment of a back portion according to the principles of the present invention; and,

FIG. 10 is a rear elevational view thereof.

The present application is directed to the design illustrated in the drawings. The other features of the drawings are not considered part of the design sought to be patented, and have accordingly been shown in broken lines. 

The ornamental design for a back portion of furniture, as shown and described. 